putting into operationˈputiŋˈɪntuːˌɔpəˈreiʃən短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 投入运行 The performance standardization and the determination of safe operation region of import catalytic axial flow main blower, before the first putting into operation of new machine, are recommended. 介绍了引进的催化轴流式主风机新机首次投运前的性能标定和安全操作区域的划定。 chemyq